ALEXANDRIA, Va., July 15 -- United States Patent no. 12,660,917, issued on June 23, was assigned to FOSITEK Corp. (New Taipei City, Taiwan).

"Sliding rail device" was invented by Kai-Hung Lin (New Taipei City, Taiwan) and Kuan-Wei Chen (New Taipei City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sliding rail device includes an exterior frame, an outer rail, an intermediate rail, and a blocking mechanism that has a positioning member, a blocking member having a blocking protrusion and a blocking groove, a linking piece sleeved on the positioning member, and a resilient member. When the intermediate rail is moved relative to the outer rail in a longitudinal direction, the positioning member is pus...